{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Interestingly , these effects occurred at Lu AF21934 brain free concentrations that showed functional activity in in vitro screens ( calcium flux and electrophysiology assays ) ."}
{"Chemical": ["Lu AF21934", "calcium"]}